CN208479441U - The rotor and motor of motor - Google Patents
The rotor and motor of motor Download PDFInfo
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- CN208479441U CN208479441U CN201821069271.2U CN201821069271U CN208479441U CN 208479441 U CN208479441 U CN 208479441U CN 201821069271 U CN201821069271 U CN 201821069271U CN 208479441 U CN208479441 U CN 208479441U
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Abstract
The utility model provides the rotor and motor of a kind of motor, has centered on the axis of rotor on the rotor of motor, and along the circumferentially evenly arranged magnetic pole of rotor;Magnetic pole includes: filling slot and at least one slit slot, and the filling slot in multiple magnetic poles is successively laid along the circumferential direction of rotor, and conductive magnetic separator is provided in filling slot;Filling slot includes the first filling slot, slit slot and the first filling slot successively arranging axially towards the direction far from rotor axis in rotor.The utility model has design, and rationally structure is simple, and can be realized the asynchronous starting of motor, and synchronous operation thereby reduces the cost of manufacture of motor.
Description
Technical field
The utility model relates to technical field of motors, in particular to the rotor and motor of a kind of motor.
Background technique
With science and technology be constantly progressive, synchronous motor because its have many advantages, such as it is energy-efficient, run smoothly due to it is wide
It is general to be applied to the fields such as industrial production and people's daily life.The starting of existing synchronous motor, need by setting controller or
Permanent magnet is arranged on rotor to realize in person, and the cost of manufacture of such motor is very high, causes certain fund waste.
Utility model content
The main purpose of the utility model is to provide a kind of rotor of motor and motors, and not only design is reasonable, structure
Simply, and it can be realized the asynchronous starting of motor, synchronous operation thereby reduces the cost of manufacture of motor.
The utility model provides a kind of rotor of motor, has centered on the axis of the rotor on the rotor,
And along the circumferentially evenly arranged magnetic pole of the rotor;
The magnetic pole includes: filling slot and at least one slit slot, and the filling slot in multiple magnetic poles is along the rotor
Circumferential direction successively lay, conductive magnetic separator is provided in the filling slot;
The filling slot include the first filling slot, the slit slot and first filling slot the rotor radially
It successively arranges towards the direction far from the rotor axis.
More preferably, first filling slot includes the first filling slot a, on the section perpendicular to the rotor axis, institute
The shape for stating the first filling slot a and the slit slot is zhou duicheng tuxing, and in the same magnetic pole, and described first fills out
Fill the symmetry axis of slot a and the symmetrical overlapping of axles of the slit slot.
More preferably, in each magnetic pole, first filling slot further includes two separated with the first filling slot a
A first filling slot b, on the section perpendicular to the rotor axis, two the first filling slot b are symmetricly set on described
The both ends of first filling slot a.
More preferably, in each magnetic pole, the quantity of the slit slot is at least two, and two slit slots are along institute
State the radial direction of rotor successively spaced apart arrangement.
More preferably, the filling slot further includes the second filling slot;
On the section perpendicular to the rotor axis, the both ends of the slit slot extending direction are respectively set described in one
Second filling slot.
More preferably, on the section perpendicular to the rotor axis, the slit slot is in extend shape along curve.
More preferably, the second filling slot being circumferentially arranged along the rotor, forms magnetic between two neighboring filling slot
Circulation passage, the magnetic flux path are parallel to q axis.
More preferably, in each magnetic pole, when the quantity of the slit slot is at least two, wherein at least one institute
It states and is provided with conductive magnetic separator in slit slot.
The another aspect of the utility model provides a kind of motor, and the rotor including stator and any of the above technical characteristic is described
Stator has mounting hole, and the rotor is threaded through in the mounting hole, and the axis of the axis of the rotor and the mounting hole
Line is overlapped.
More preferably, multiple circumferentially uniformly distributed teeth portion, two adjacent teeth are provided on the inner wall of the mounting hole
Tooth socket is formed between portion;
On the section perpendicular to the rotor axis, magnetic flux path, the tooth are formed between the adjacent filling slot
Portion and the magnetic flux path are interlaced.
More preferably, on the section perpendicular to the rotor axis, the middle line of two neighboring tooth socket forms angle theta, described
The both ends of first filling slot a and the line of the rotor center form angle theta 1, wherein 1≤1.5 θ of θ≤θ.
More preferably, on the section perpendicular to the rotor axis, the both ends of the slit slot extending direction are set respectively
When setting second filling slot, the first filling slot b have first side adjacent with the first filling slot a and with institute
The second adjacent side of rotor outer wall is stated, described first mutually gives c point, and two first filling slots while with described second
The c point of b and the line of the rotor center form angle theta 2, wherein 1.6 θ≤θ, 2≤2.5 θ.
The rotor of the magneto of the offer of the utility model, using the magnetic pole include: filling slot and at least one is narrow
Slot, the filling slot include the first filling slot, the slit slot and first filling slot the rotor axially towards
The technical solution that direction far from the rotor axis is successively arranged, not only rationally, structure is simple, and can be realized electricity for design
The asynchronous starting of machine, synchronous operation, thereby reduces the cost of manufacture of motor.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the rotor local diagrammatic cross-section in embodiment one;
Fig. 2 is the motor partial cutaway schematic in embodiment two;
Fig. 3 is the portion the A enlarged diagram in Fig. 2;
Fig. 4 is the motor torque curve comparison diagram of the motor and the prior art in embodiment two;
In figure: 1, filling slot;11, the first filling slot;111, the first filling slot a;112, the first filling slot b;113, first
Side;114, the second side;12, the second filling slot;13, magnetic flux path;2, slit slot;3, stator;31, teeth portion;32, tooth socket;4, turn
Son.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.
Embodiment one
As shown in Figure 1, a kind of rotor of motor, have centered on the axis of rotor on rotor, and circumferentially equal along rotor
The magnetic pole (not shown go out) of even arrangement, magnetic pole include: filling slot 1 and at least one slit slot 2, and filling slot 1 includes first filling
Slot 11, slit slot 2 and the first filling slot 11 are successively arranged rotor axially towards the direction far from rotor axis.Wherein, it fills out
It fills in slot 1 and is provided with conductive magnetic separator (such as aluminum or aluminum alloy etc.), can be arranged when in use in two ends of rotor so conductive
Ring makes the conductive magnetic separator in each filling slot 1 form mouse cage, in this way when rotor is arranged in the stator, can pass through the electricity of stator
Magneticaction forms induction torque by mouse cage, and then realizes the asynchronous starting of rotor, while slit slot 2 and the first filling slot
Layers of flux barriers (not shown) is formed between 11 to stop d axis magnetic flux, and then forms reluctance torque, after electric motor starting, is relied on
The reluctance torque realizes synchronous operation, therefore does not need setting controller compared with the existing technology using such technical solution
Or permanent magnet, synchronous motor can either be made to realize starting, substantially reduce cost of manufacture.
Specifically, as shown in Figure 1, the first filling slot 11 includes the first filling slot a111, in cutting perpendicular to rotor axis
On face, the shape of the first filling slot a111 and slit slot 2 is zhou duicheng tuxing, and in same magnetic pole, the first filling slot
The symmetry axis of a111 and the symmetrical overlapping of axles of slit slot 2.The symmetry axis of first filling slot a111 and slit slot 2 and d axis weight at this time
It closes, q axis is then located between two neighboring magnetic pole.
Further, as shown in fig. 1, in each magnetic pole, the first filling slot 11 further includes and the first filling slot a111
Two the first filling slot b112 separated, on the section perpendicular to rotor axis, two the first filling slot b112 are symmetrical arranged
At the both ends of the first filling slot a111.It is big that it is able to solve motor torque fluctuation in this way, the problem more than magnetic field harmonics content reduces magnetic
Field harmonic wave, reduces torque ripple, reduces motor oscillating noise.
As an embodiment, as shown in fig. 1, in each magnetic pole, the quantity of slit slot 2 is at least two,
Radial direction successively spaced apart arrangement of two slit slots 2 along rotor.The quantity that d axis direction layers of flux barriers can be increased in this way makes d axis magnetic resistance
More significantly, it hinders the circulation of d axis magnetic flux to become apparent from, and then increases d axis direction and q axis direction magnetic flux gap, improve electric efficiency.
It should be noted that at this point, being provided with conductive magnetic separator (such as aluminum or aluminum alloy etc.) at least one slit slot 2, in this way
The intensity that rotor can be improved, prevents rotor deformation, it is not limited to can also be not provided in each slit slot 2 in this
Conductive magnetic separator, in favor of radiating to rotor.
As an embodiment, filling slot 1 further includes the second filling slot 12, in the section perpendicular to rotor axis
On, second filling slot 12 is respectively set in the both ends of 2 extending direction of slit slot.The quantity of filling slot 1 is increased in this way, favorably
In the asynchronous starting of motor.Specifically, on the section perpendicular to rotor axis, slit slot 2 is in extend shape along curve, when not
It is only limitted to this, can also be extended along fold-line-shaped.Second being circumferentially arranged along rotor of filling slot 12 at this time, between adjacent filling slot 1
It is thought of as magnetic flux path 13, magnetic flux path 13 is parallel to q axis.
Embodiment two
As shown in Fig. 2, a kind of motor, including rotor 4 described in stator 3 and embodiment one, wherein rotor 4 be can refer to
Fig. 1, stator 3 have mounting hole, and rotor 4 is threaded through in mounting hole, and the axis of the axis of rotor 4 and mounting hole is overlapped.Its
In, it is provided with multiple circumferentially uniformly distributed teeth portion 31 on the inner wall of mounting hole, forms tooth socket 32 between adjacent teeth portion 31,
On the section perpendicular to 4 axis of rotor, magnetic flux path 13, teeth portion 31 and magnetic flux path 13 are formed between adjacent filling slot 1
It is interlaced.The magnetic flux path 13 having in this way is against teeth portion 31, and some magnetic flux paths 13 are against part teeth portion 31 and part tooth socket
32, against entire tooth socket 32, the torque for generating each magnetic flux path 13 with tooth socket 32 mutually weakens some magnetic flux paths 13, such as schemes
Shown in 4, the harmonic wave generated compared with the existing technology is smaller, and motor torque fluctuation is effectively reduced.
More preferably, linear in two neighboring tooth socket 32 as shown in Fig. 2, on the section perpendicular to 4 axis of rotor
At angle theta, the line at the both ends of the first filling slot a111 and 4 center of rotor forms angle theta 1 referring to Fig.1, wherein θ
≤θ1≤1.5θ.D axis magnetic flux can be effectively prevented to enter teeth portion 31 in this way.More preferably, as shown in figure 3, when perpendicular to rotor 4
On the section of axis, when second filling slot 12 is respectively set in the both ends of 2 extending direction of slit slot, the first filling slot b112 tool
Have first adjacent with the first filling slot a111 while 113 and it is adjacent with 4 outer wall of rotor second while 114, the first side 113 and second
114 phase of side gives c point, and the c point of two the first filling slot b112 and the line at 4 center of rotor form angle theta 2 referring to Fig.1,
In, 1.6 θ≤θ, 2≤2.5 θ.Enable the magnetic flux path 13 formed between the first filling slot a111 and the first filling slot b112 in this way
Enough opposite teeth portion 31 on one side, another side thereby reduce harmonic wave and the torque pulsation of the generation of tooth socket 32 or so against tooth socket 32.
Above embodiments make the utility model have design, and rationally structure is simple, and can be realized the asynchronous of motor and open
Dynamic, synchronous operation thereby reduces the cost of manufacture of motor.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (12)
1. a kind of rotor of motor, it is characterised in that:
Have centered on the axis of the rotor on the rotor, and along the circumferentially evenly arranged magnetic pole of the rotor;
The magnetic pole includes: filling slot (1) and at least one slit slot (2), and the filling slot (1) in multiple magnetic poles is along described
The circumferential direction of rotor is successively laid, and is provided with conductive magnetic separator in the filling slot (1);
The filling slot (1) includes the first filling slot (11), and the slit slot (2) and first filling slot (11) are at described turn
Son is successively arranged axially towards the direction far from the rotor axis.
2. rotor according to claim 1, it is characterised in that:
First filling slot (11) includes the first filling slot a (111), described on the section perpendicular to the rotor axis
The shape of first filling slot a (111) and the slit slot (2) is zhou duicheng tuxing, and in the same magnetic pole, described
The symmetry axis of first filling slot a (111) and the symmetrical overlapping of axles of the slit slot (2).
3. rotor according to claim 2, it is characterised in that:
In each magnetic pole, first filling slot (11) further includes two separated with the first filling slot a (111)
First filling slot b (112), on the section perpendicular to the rotor axis, two the first filling slot b (112) are symmetrically set
It sets at the both ends of the first filling slot a (111).
4. rotor according to claim 1, it is characterised in that:
In each magnetic pole, the quantity of the slit slot (2) is at least two, and two slit slots (2) are along described turn
The radial direction successively spaced apart arrangement of son.
5. rotor according to any one of claims 1 to 4, it is characterised in that:
The filling slot (1) further includes the second filling slot (12);
On the section perpendicular to the rotor axis, the both ends of slit slot (2) extending direction are respectively set described in one
Second filling slot (12).
6. rotor according to claim 5, it is characterised in that:
On the section perpendicular to the rotor axis, the slit slot (2) is in extend shape along curve.
7. rotor according to claim 5, it is characterised in that:
Second filling slot (12) being circumferentially arranged along the rotor, the magnetic flux formed between the adjacent filling slot (1) are logical
Road (13), the magnetic flux path (13) are parallel to q axis.
8. rotor according to claim 5, it is characterised in that:
In each magnetic pole, when the quantity of the slit slot (2) is at least two, slit slot described in wherein at least one
(2) conductive magnetic separator is provided in.
9. a kind of motor, it is characterised in that:
Rotor (4) including stator (3) and as described in claim 1 to 8 any one, the stator (3) have mounting hole, institute
It states rotor (4) to be threaded through in the mounting hole, and the axis of the axis of the rotor (4) and the mounting hole is overlapped.
10. motor according to claim 9, it is characterised in that:
Be provided with multiple circumferentially uniformly distributed teeth portion (31) on the inner wall of the mounting hole, two adjacent teeth portion (31) it
Between formed tooth socket (32);
On the section perpendicular to the rotor (4) axis, magnetic flux path (13) are formed between the adjacent filling slot (1),
The teeth portion (31) and the magnetic flux path (13) are interlaced.
11. motor according to claim 10, it is characterised in that:
On the section perpendicular to the rotor (4) axis, the middle line formation angle theta of two neighboring tooth socket (32), described first
The both ends of filling slot a (111) and the line at the rotor (4) center form angle theta 1, wherein 1≤1.5 θ of θ≤θ.
12. motor according to claim 11, it is characterised in that:
On the section perpendicular to the rotor (4) axis, the both ends of slit slot (2) extending direction are respectively set one
When the second filling slot (12), the first filling slot b (112) have first side (113) adjacent with the first filling slot a (111) and with
Adjacent the second side (114) of rotor (4) outer wall, described first when (113) are with described second (114) mutually give c point, and
And the c point of two the first filling slot b (112) and the line at the rotor (4) center form angle theta 2, wherein 1.6 θ≤θ
2≤2.5θ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821069271.2U CN208479441U (en) | 2018-07-06 | 2018-07-06 | The rotor and motor of motor |
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CN201821069271.2U CN208479441U (en) | 2018-07-06 | 2018-07-06 | The rotor and motor of motor |
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CN208479441U true CN208479441U (en) | 2019-02-05 |
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CN201821069271.2U Active CN208479441U (en) | 2018-07-06 | 2018-07-06 | The rotor and motor of motor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108599506A (en) * | 2018-07-06 | 2018-09-28 | 珠海格力电器股份有限公司 | The rotor and motor of motor |
CN108599506B (en) * | 2018-07-06 | 2024-07-02 | 珠海格力电器股份有限公司 | Rotor of motor and motor |
-
2018
- 2018-07-06 CN CN201821069271.2U patent/CN208479441U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108599506A (en) * | 2018-07-06 | 2018-09-28 | 珠海格力电器股份有限公司 | The rotor and motor of motor |
CN108599506B (en) * | 2018-07-06 | 2024-07-02 | 珠海格力电器股份有限公司 | Rotor of motor and motor |
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